λδ digital library (LDDL)
Constant
![[butterfly]](http://helm.cs.unibo.it/lambdadelta/images/b5.png "\lambda\delta butterfly")
Informal description: ""
{λ[s:(rat).set].λ[t:(rat).set].λ[cs:(s).cutprop].λ[ct:(t).cutprop].λ[i:∀[x:rat].∀[u:{(s).(x)}.in].{(t).(x)}.in].λ[j:∀[x:rat].∀[u:{(t).(x)}.in].{(s).(x)}.in]}.<{({(ct).(t)}.cutof).({(cs).(s)}.cutof)}.is>.{({(j).(i).(t).(s).(rat)}.isseti).(ct).(t).(cs).(s).(λ[x:(rat).set].(x).cutprop).((rat).set)}.isouti Validation parameters: sort hierarchy = "Z2", kernel options = ""
Last update: Sat, 12 Dec 2020 10:46:54 +0100
![[Spacer]](http://helm.cs.unibo.it/lambdadelta/images/rainbow.png "\lambda\delta rainbow rule")
![[Generated from XML via XSL]](http://helm.cs.unibo.it/lambdadelta/images/xml_xsl2.png "Generated from XML via XSL")
![[PNG used here]](http://helm.cs.unibo.it/lambdadelta/images/PNGnow2.png "PNG used here")
![[Viewable with any browser]](http://www.anybrowser.org/campaign/bvgraphics/abtfile.png "Viewable with any browser")